{"id":110365,"date":"2025-10-29T07:56:35","date_gmt":"2025-10-29T06:56:35","guid":{"rendered":"https:\/\/www.maccaferri.com\/fr\/success-stories\/rd38-confortement-ravin-de-la-chaudiere-saint-eusebe-74-france\/"},"modified":"2026-02-16T15:37:01","modified_gmt":"2026-02-16T14:37:01","slug":"rd38-confortement-ravin-de-la-chaudiere-saint-eusebe-74-france","status":"publish","type":"stories","link":"https:\/\/www.maccaferri.com\/fr\/exemples-de-r\u00e9ussites\/rd38-confortement-ravin-de-la-chaudiere-saint-eusebe-74-france\/","title":{"rendered":"RD38 – CONFORTEMENT RAVIN DE LA CHAUDIERE SAINT EUSEBE, 74, FRANCE"},"content":{"rendered":"
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    \"\"<\/div>\n <\/div>\n <\/div>\n
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    G\u00e9ogrilles monoaxiales ParaGrid et structure du TerraMesh Vert<\/p>\n \n <\/div>\n <\/div>\n <\/div>\n <\/div>\n

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    Durant les travaux<\/p>\n \n <\/div>\n <\/div>\n <\/div>\n <\/div>\n

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    Parement inclin\u00e9 de 20\u00b0<\/p>\n \n <\/div>\n <\/div>\n <\/div>\n <\/div>\n

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    A la fin des travaux<\/p>\n \n <\/div>\n <\/div>\n <\/div>\n <\/div>\n

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    Coupe de principe<\/p>\n \n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n\n <\/div>\n <\/div>

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    Challenge<\/h3>\n <\/div>\n <\/div>\n <\/div>\n <\/div> \n <\/div>\n
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    Sur la commune de St Eus\u00e8be (74), la RD 38 traverse le ravin de la Chaudi\u00e8re sur un ouvrage en remblai renforc\u00e9 de type Pneusol. Suite \u00e0 l’\u00e9rosion de surface et au lessivage du remblai par les eaux d’infiltration, le parement pneu bascule progressivement vers l’aval. Avant que la chauss\u00e9e ne soit impact\u00e9e, le CD 74 a d\u00e9cid\u00e9 de venir remplacer l’ouvrage. L’\u00e9tude s’est tourn\u00e9e vers la r\u00e9alisation d’un ouvrage en sol renforc\u00e9 \u00e0 parement v\u00e9g\u00e9talisable, associ\u00e9 \u00e0 un syst\u00e8me de drainage plus efficient. <\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n

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    Solution<\/h3>\n <\/div>\n <\/div>\n <\/div>\n <\/div> \n <\/div>\n
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    La solution en remblai renforc\u00e9 \u00e0 parement v\u00e9g\u00e9talisable Terramesh Vert a \u00e9t\u00e9 retenue pour son efficacit\u00e9 technique, sa rapidit\u00e9 et sa simplicit\u00e9 d’ex\u00e9cution. Le Terramesh Vert est un module de sol renforc\u00e9 pr\u00e9assembl\u00e9 en usine, associant un grillage m\u00e9tallique double torsion dispos\u00e9 en C, un treillis soud\u00e9 positionn\u00e9 au parement et servant de coffrage perdu et un g\u00e9otextile tiss\u00e9 servant \u00e0 retenir la terre v\u00e9g\u00e9tale. Les modules font 3m de longueur et dont la nappe de renfort en grillage s’enfonce de 2m50 dans le remblai. Le parement est inclin\u00e9 de 20\u00b0 par rapport \u00e0 la verticale, les modules ont une hauteur de 76cm. En compl\u00e9ment, des nappes de g\u00e9ogrilles de renfort de type Paragrid 50 ont \u00e9t\u00e9 mises en place \u00e0 la base de chaque module de Terramesh Vert sur une longueur \u00e9gale \u00e0 la distance entre le profil d’excavation et le parement du Terramesh vert. Afin de collecter les eaux d’infiltration, un g\u00e9ocomposite de drainage Macdrain W1051 a \u00e9t\u00e9 intall\u00e9 \u00e0 l’interface entre le terrain naturel excav\u00e9 et le remblai structurel (0\/80) et reli\u00e9 \u00e0 un drain collecteur \u00e0 la base arrri\u00e8re du massif.<\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>

    Used Products<\/h2>
    \"Terramesh\"<\/div>
    Terramesh<\/h6>La famille Terramesh\u00ae de Maccaferri comprend diff\u00e9rentes options de parement pour la construction de structures en remblais renforc\u00e9s<\/span>Voir\n \n <\/a>
    star<\/span><\/div><\/div><\/div><\/div><\/div>
    \"G\u00e9ogrilles<\/div>
    G\u00e9ogrilles monoaxiales<\/h6>Paragrid\u00ae WLa g\u00e9ogrille haute performance ParaGrid\u00ae W est caract\u00e9ris\u00e9e par un module tr\u00e8s \u00e9lev\u00e9 et des facteurs de r\u00e9duction plus bas. Cette g\u00e9ogr<\/span>Voir\n \n <\/a>
    star<\/span><\/div><\/div><\/div><\/div><\/div>
    \"G\u00e9ocomposites<\/div>
    G\u00e9ocomposites de drainage<\/h6>Ces familles de produits sp\u00e9cialis\u00e9s mettent en \u00e9vidence la polyvalence et l’adaptabilit\u00e9 des g\u00e9ocomposites de drainage,<\/span>Voir\n \n <\/a>
    star<\/span><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"

    La solution en remblai renforc\u00e9 \u00e0 parement v\u00e9g\u00e9talisable Terramesh Vert a \u00e9t\u00e9 retenue pour son efficacit\u00e9 technique, sa rapidit\u00e9 et sa simplic<\/p>\n","protected":false},"featured_media":76445,"parent":0,"menu_order":0,"template":"","stories-category":[],"stories-tag":[],"class_list":["post-110365","stories","type-stories","status-publish","has-post-thumbnail","hentry"],"acf":{"products":[113579,113582,113576],"applications":[103493,103493],"solutions":[103601],"sectors":[103460]},"yoast_head":"\nRD38 - CONFORTEMENT RAVIN DE LA CHAUDIERE SAINT EUSEBE, 74, FRANCE - Maccaferri France<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez nos r\u00e9ussites : RD38 - CONFORTEMENT RAVIN DE LA CHAUDIERE SAINT EUSEBE, 74, FRANCE. 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